Power supply Lian Li SP Series Platinum SFX fully modular PCIe 5.1 ATX 3.1 1000W (G9P.SP1000P.W000.EU)

Lian Li SP Series Platinum SFX fully modular PCIe 5.1 ATX 3.1 1000W is a compact, high-efficiency power supply designed for small form-factor high-performance PCs. Built to the SFX form factor and rated 80 PLUS Platinum, this unit provides stable power delivery for modern GPUs and CPUs while supporting the latest PCIe 5.1 and ATX 3.1 specifications. Fully modular cabling helps reduce clutter and simplifies installation in tight cases without compromising on total output or connector availability.

Advantages

The unit's 80 PLUS Platinum efficiency minimizes wasted energy and reduces heat generation, improving system stability and lowering operating costs. Full modularity allows users to fit only the cables they need, improving airflow and cable management in compact builds. Compliance with PCIe 5.1 and ATX 3.1 ensures compatibility with current high-end graphics cards and motherboard power requirements. Despite its SFX size, the power supply offers a 1000W nominal output suitable for demanding components while maintaining a small footprint.

Suitable for

• Compact gaming PCs and SFF workstations requiring high power
• Systems with PCIe 5.1 graphics cards and modern CPUs
• Builds where cable management and airflow are priorities
• Enclosures compatible with SFX power supplies or using an adapter

Key specifications

• Form factor: SFX
• Efficiency rating: 80 PLUS Platinum
• Nominal output power: 1000W
• Support for PCIe 5.1 and ATX 3.1 standards
• Fully modular cable system
• Designed for high-performance GPUs and CPUs

How to use

Install the power supply into a compatible SFX mounting location or use a suitable adapter bracket for ATX-compatible cases. Connect only the required modular cables to the unit, route power leads to the motherboard, CPU, and GPU according to the motherboard and GPU documentation, and secure all connections. Ensure the case provides adequate ventilation and that the unit's fan intake and exhaust are not obstructed. Follow the motherboard and component manuals for proper connector orientation and power sequencing.

Recommendations

For reliable operation, use high-quality modular cables and verify that your enclosure supports SFX dimensions. Ensure system cooling is sufficient for high loads and consult component power requirements to confirm 1000W is appropriate for your configuration. Periodically check cable seating and dust levels around the unit to maintain performance and longevity.